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Lesson Plan
Curated OER

Proof of the Pythagorean Theorem Using Transformations

For Teachers 9th - 12th Standards
Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.
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Lesson Plan
Curated OER

The Pythagorean Theorem and Classifying Triangles

For Teachers 9th - 12th Standards
Through the examination of the relationship between the lengths of the sides of a triangles high schoolers will learn the classification of triangles (acute, right, or obtuse).
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Worksheet
Curated OER

Informal Geometry

For Students 8th - 12th
Middle and high schoolers solve and complete 29 various types of problems. First, they match each name with its correct formula. Then, students find the length of the missing side and the distance between the two points given. In...
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Interactive
Curated OER

7-2 Self Check Pythagorean Theorem Multiple Choice

For Students 8th - 10th
Middle and high schoolers use the Pythagorean Theorem to determine the length of the sides of a right triangle. They solve distance problems. This one-page worksheet contains 10 multiple-choice problems. This is self-checking worksheet.
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Worksheet
Curated OER

Volume of Solids

For Students 10th
In this volume of solids worksheet, tenth graders solve and complete 20 various types of problems. First, they write the formula needed to find the volume of each solid. Then, pupils use the Pythagorean theorem to find the measure of the...
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Lesson Plan
Curated OER

The Pythagorean Puzzle

For Teachers K - 12th
An engaging hands-on activity is presented. Learners of all ages are addressed in thie unique plan. K-5 learners identify, name, and define a rectangle, square, triangle, and the concept of area. Older learners prove the Pythagorean...
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Lesson Plan
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Illustrative Mathematics

Applying the Pythagorean Theorem in a Mathematical Context

For Teachers 7th - 9th Standards
Participants who use this resource will apply the Pythagorean Theorem to show whether or not the shaded triangle inscribed in a rectangle is a right triangle. Once all of the sides on the shaded triangle are found, it is important that...
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Worksheet
Curated OER

Geometry Chapter 7 Practice Test

For Students 10th
In this geometry worksheet, 10th graders review problems that review a variety to topics relating to right triangles, including, but not limited to the Pythagorean Theorem, simplifying radicals, special right triangles, and right...
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Lesson Plan
Curated OER

Central Valley Math Project

For Teachers 7th - 8th
Middle schoolers study the Pythagorean Theorem. They describe what it means to square a number. Pupilsuse the Pythagorean Theorem to prove the sides of given triangles, and use geometric pieces of paper to create a right triangle and...
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Lesson Plan
Curated OER

Exploring Pythagorean Theorem

For Teachers 8th
Eighth graders explore the Pythagorean Theorem. They use Geometer's Sketchpad and explore features of various figures. Students use the software to build a figure using the given measurements.
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Worksheet
Curated OER

Pythagorean Theorem

For Students 9th - 12th
In this Pythagorean theorem worksheet, students use the Pythagorean theorem to find the length of a missing side of a right triangle.  This two--page worksheet contains 15 problems.
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Worksheet
Curated OER

The Pythagorean Theorem

For Students 10th
In this geometry activity, 10th graders use the Pythagorean Theorem to determine the length of the third side of a right triangle given the length of any two sides.  The three page activity contains a combination of seventeen...
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Worksheet
Curated OER

Pythagorean Theorem and Triangles

For Students 11th
In this geometry instructional activity, 11th graders solve problems with right triangles using the Pythagorean Theorem. They find the missing angle or missing side. There are 15 questions with an answer key.
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Lesson Plan
Curated OER

Going out of Business: Pythagorean Theorem

For Teachers 8th - 9th
Students find the length of diagonals.  In this Pythagorean theorem lesson, students use the Pythagorean theorem to determine the length of diagonals. 
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Lesson Plan
Texas Instruments

NUMB3RS Activity: Narrowing the Search

For Teachers 9th - 12th Standards
Young scholars explore the length of an n-dimensional vector.  In this Algebra II/Pre-calculus instructional activity, students investigate an expansion of the Pythagorean Theorem to n-dimensional space. 
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Lesson Plan
Curated OER

River Optimization Problem

For Teachers 8th - 10th
Young scholars define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...
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Worksheet
Curated OER

Expressions and Formulas

For Students 9th
In this expressions and formulas worksheet, 9th graders solve and complete 7 different types of problems related to various expressions and formulas. First, they define order of operations and explain why it is used. Then, students list...
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Lesson Plan
Curated OER

Pythagorean Theorem Spreadsheet

For Teachers 6th - 8th
Studetns use a spreadsheet to organize data on the sides of a triangle. They use the Pythagorean Theorem and the If then spreadsheet function to decide whether the three sides determine a right triangle. Learners work individual...
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Lesson Plan
Curated OER

The Proof of the Century!

For Teachers 7th - 12th
Students do Web research in the field of mathematics. They explore mathematical proofs and apply them to the Pythagorean theorem. They also explore the general ideas of Fermat's Last Theorem
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Lesson Plan
Curated OER

Picking Pythagoras

For Teachers 6th - 9th
Students discover that side measurement is used in determining angle classification of a triangle. By squaring sides, they predict whether triangles be right, obtuse, or acute. They prove the Pythagorean Theorem and use it to solve...
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 6th - 8th
Need a few extra examples on using the Pythagorean Theorem? Here is a lesson plan that uses pictures of New York City’s buildings as a model, and young architects find the height of the building. Consider adding more examples to further...
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 11th
Young scholars solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
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Worksheet
Curated OER

Pythagorean Theorem Homework

For Students 9th - 10th
In this Pythagorean theorem activity, students determine if given side lengths for right triangles, find the length of the missing side in right triangles, and find the length of the diagonals formed in boxes given side lengths.
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Interactive
Curated OER

Special Right Triangles Multiple Choice

For Students 9th - 11th
In this length instructional activity, students answer five multiple choice questions concerning lengths using rules of various figures including, triangles, rhombus, diamonds, and circles.